MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RemcosRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a
SHA3-384 hash: 84fcbb03d5403bca33a9a5edb47ad2d84087b9029a9a2becc183e05201193ce7c1a6bea84da3742d1603e904160127ad
SHA1 hash: 2d0a753e2e34fc077953d83b3c00832fd1df87c0
MD5 hash: 8be1f145f09ecc1b893a747bb7c85490
humanhash: cola-cat-burger-nine
File name:Νέα Παραγγελία και Ερώτηση_SKBMT 0107388_PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:55'880 bytes
First seen:2023-05-09 08:50:20 UTC
Last seen:2023-05-13 22:57:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'840 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 768:IHF6y5szSshWoPblB+FT9x22fExrXMnEpYiTPxdF8oYi5F943hh:IHF18AMblB+seA7TPxdF8o75F943hh
Threatray 345 similar samples on MalwareBazaar
TLSH T166439D526A1B8412DE0E4AB564C5C1181EF1F7855CF3CA5F308DF32A9FA33A7CB96258
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter abuse_ch
Tags:exe geo GRC RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Νέα Παραγγελία και Ερώτηση_SKBMT 0107388_PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 08:51:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9661a267-59e7-4051-bd1c-ab6e9afc00ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/387763/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.5252.11943.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe overlay packed packed
Link:
https://www.filescan.io/uploads/645a0977b664422b69d5f5dd/reports/2ff1cd1d-4cd2-4874-8a06-91d02a0019ae/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a156a36-8548-47fe-9f27-1f43635bded7
Result
Threat name:
Remcos, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229021
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 861983 Sample: 7388_PDF.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 12 other signatures 2->44 7 7388_PDF.exe 15 5 2->7         started        process3 dnsIp4 36 transfer.sh 144.76.136.153, 443, 49708 HETZNER-ASDE Germany 7->36 28 C:\Users\user\AppData\Roaming\...\H.exe, PE32+ 7->28 dropped 30 C:\Users\user\AppData\...\7388_PDF.exe.log, CSV 7->30 dropped 54 Self deletion via cmd or bat file 7->54 12 H.exe 1 7->12         started        15 cmd.exe 1 7->15         started        file5 signatures6 process7 signatures8 56 Writes to foreign memory regions 12->56 58 Allocates memory in foreign processes 12->58 60 Injects a PE file into a foreign processes 12->60 17 CasPol.exe 3 16 12->17         started        22 conhost.exe 15->22         started        24 choice.exe 1 15->24         started        process9 dnsIp10 32 emkanat.ddns.net 198.50.231.138, 49711, 7888 OVHFR Canada 17->32 34 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 17->34 26 C:\ProgramData\remcos\logs.dat, data 17->26 dropped 46 Contains functionality to bypass UAC (CMSTPLUA) 17->46 48 Contains functionality to steal Chrome passwords or cookies 17->48 50 Contains functionality to modify clipboard data 17->50 52 3 other signatures 17->52 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-05-09 08:51:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrthqrqfv6js3h7nijdb2e6btky37i3ulvf5cavz3v47lre4ugfa._file
Verdict:
unknown
Similar samples:
0f1c1a1c87587222d358553c1b9a482e7d9e6a601cdf40e9a0288827311c0650
RemcosRAT
38813d304e6f75adc3b92ba75bdee6b6f000837d26cde3a0a07edb869f1666bd
RemcosRAT
5e6855651930ebb065f7c78c5376822bc0d7ad9a95a244d1dd8d8dbe63bfe237
RemcosRAT
69979d8367699caa15c5ca9a58f0020936540b2e54fbf639ede2454e90133681
RemcosRAT
8fa5ac8d44ea6dceea6a581c52fe4e336be7a60c710c50d405833d2ceed7bcf4
RemcosRAT
a138900364709914db61e57996c69a7a264cca4cc284d4bc77ea30bb650f3dd7
RemcosRAT
bae8da09e4b4ffa3aaa1a518fb7a646a8da2571a3e0be0596b64df26fb4cb18c
RemcosRAT
da468d1348fc563a8c4e0f5e135915c02d9375713d133c20fefe64a7766177d9
RemcosRAT
e1d94beb469be76da4aafd382a153f477ede6e3a1a283b7becf6cffbd131d4df
RemcosRAT
e47ca034c78e942930e24ba0b911f2d5bb826d9259d83d0b0991dd0939f115a0
RemcosRAT
+ 335 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230509-kr54dsfa49/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Remcos
Malware Config
C2 Extraction:
emkanat.ddns.net:7888
Unpacked files
SH256 hash:
6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a
MD5 hash:
8be1f145f09ecc1b893a747bb7c85490
SHA1 hash:
2d0a753e2e34fc077953d83b3c00832fd1df87c0
Link:
https://www.unpac.me/results/ca7c409d-2a35-423a-8556-914b32c58f39/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6466784605af/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 6466784605af932d9fed42461d13c19ab1bfa3745d4bd102b9dd79f5c49ca18a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387763/

Comments